English verb conjugation
CAN TEND

Regular verb: tend - tended - tended

Affirmation

Simple form	V-ing form
I can tend you can tend she can tend we can tend you can tend they can tend	I can be tending you can be tending she can be tending we can be tending you can be tending they can be tending
Perfect	V-ing perfect
I can have tended you can have tended she can have tended we can have tended you can have tended they can have tended	I can have been tending you can have been tending she can have been tending we can have been tending you can have been tending they can have been tending

Negation

Simple form	V-ing form
I can't tend you can't tend she can't tend we can't tend you can't tend they can't tend	I can't be tending you can't be tending she can't be tending we can't be tending you can't be tending they can't be tending
Perfect	V-ing perfect
I can't have tended you can't have tended she can't have tended we can't have tended you can't have tended they can't have tended	I can't have been tending you can't have been tending she can't have been tending we can't have been tending you can't have been tending they can't have been tending

Interrogative form

Simple form	V-ing form
can I tend? can you tend? can she tend? can we tend? can you tend? can they tend?	can I be tending? can you be tending? can she be tending? can we be tending? can you be tending? can they be tending?
Perfect	V-ing perfect
can I have tended? can you have tended? can she have tended? can we have tended? can you have tended? can they have tended?	can I have been tending? can you have been tending? can she have been tending? can we have been tending? can you have been tending? can they have been tending?

Interro-negative form

Simple form	V-ing form
can't I tend? can't you tend? can't she tend? can't we tend? can't you tend? can't they tend?	can't I be tending? can't you be tending? can't she be tending? can't we be tending? can't you be tending? can't they be tending?
Perfect	V-ing perfect
can't I have tended? can't you have tended? can't she have tended? can't we have tended? can't you have tended? can't they have tended?	can't I have been tending? can't you have been tending? can't she have been tending? can't we have been tending? can't you have been tending? can't they have been tending?